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Well and exploratory drilling apparatus whose rotary motion is modified by a vibrator to provide lateral movement of its bit. There is also disclosed a
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A mounting bracket assembly for connecting a single rotary vibrator to a vibratory feeding device that includes an elastomer spacer member retained and
20011020-According to one aspect of the invention there is provided a rotary-vibratory drilling apparatus. The drilling assembly is comprised of a vi
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Vibrator core drilling apparatus United States drill string bit end and to impart rotary fixed acute angle relative thereto and permitting
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E—FIXED CONSTRUCTIONS E21—EARTH DRILLING; between the vibrator 50 and the annular flange a rotary spindle mounted on a table to be
A vibrator yoke assembly (Y) for drill stems is moveably mounted on a drilling rig (R). A guide rail (10) is mounted to a support section (22)
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For United States inventions from other historical time periods, see Timeline of United States inventions (1890–1945), Timeline of United States inventions
said screen being fixedly clamped in a housingrotary axis of the vibrator is always in a (8) is attached to a flange (9) of the
2006320- a crane with a vibrator casing driver is usedrotary drill rig or a platform mounted race closed position and the grout hose (28)
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A rotary air roller vibrator is depicted in which a housing has a cylindrical bore closed by two inner end plates which form a chamber. An axial
Fixed clamp jaw means and movable clamp jaw means movable by piston and cylinder means receive a pneumatic vibrator therebetween, and a fixed connector
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Adjustable rotary vibratorMay 2, 1950 N. B. CLEVELAND ADJUSTABLE ROTARY VIBRATOR Filed Oct. 15, 1946 IN V EN TOR. NORMAN B. CLEVELAND Patented May 2